当前的反馈必需为低速操作并且PWM现在发现厚待由于音响噪声问题。
Current feedback is required for low speed operation and PWM is now finding favour because of acoustic noise issues.
过去几个月来，X-48B团队面临的最大挑战之一就是在低速，尤其是着陆时的飞机操作特性。
One of the big challenges the X-48B team has been working on during the past several months is the aircraft’s handling characteristics at the lower speeds, particularly during the landing.
适用于重负荷或振动工况下操作的中速或低速轴承。
For medium and slow speed bearings operating under heavy load or shock-loading conditions.
采用加时间戳和操作变换的方法，提出了一种适用于具有集中结构的协同设计系统的并行控制算法，改善了低速用户的响应率。
A concurrent control algorithm based on time stamps and operation transposition is given to improve the response rate of users with lower speed in cooperative design system with centralized structure.
通过与低速流态化的比较，概述了高速流态化独特的两相流流动结构、优异的操作特性和应用于工业过程时的优缺点。
According to gas velocity, gas-solid fluidization has been classified into low-speed riser, cocurrent downer and pneumatic fluidization in this paper.
喷淋阀的设计用于低速的，精密的喷淋应用领域。外部冲程控制使操作员控制流量更加简便。
The Spray Valves are designed for precise spray applications of low?viscosity materials. An external stroke control makes it easy for the operator to fine-tune fluid flow.
在制冷系统控制器确定为低负荷情况时，可变速驱动控制器以运转的较低速度模式操作压缩机马达。
When a low load situation has been determined by the refrigerant system controls, the variable speed drive operates the compressor motor at lower speed mode of operation.
采用脚踏开关无级调速控制，可以设定最低速度赫 尔最高速度，便于操作控制。
The pedal use limitless speed-controllor, can set the minimum and maximum easy to controll.
采用脚踏开关无级调速控制，可以设定最低速度赫 尔最高速度，便于操作控制。
The pedal use limitless speed-controllor, can set the minimum and maximum easy to controll.
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